United States Postal Service Timeline of Events

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United States Postal Service

The United States Postal Service is an independent agency of the United States government responsible for providing postal service in the United States...

Timeline of Events

1792

2.20.1792

The Postal Service Act, establishing the United States Post Office Department, is signed by President George Washington.

1959

6.8.1959

The USS Barbero and United States Postal Service attempt the delivery of mail via Missile Mail.

1963

7.1.1963

ZIP Codes are introduced for United States mail.

1986

8.20.1986

In Edmond, Oklahoma, U.S. Postal employee Patrick Sherrill guns down 14 of his co-workers and then commits suicide.

1991

11.14.1991

In Royal Oak, Michigan, a fired United States Postal Service employee goes on a shooting rampage, killing four and wounding five before committing suicide.